/Engine/Plugins/Interchange/Runtime/Source/Pipelines/Public/InterchangeMaterialXPipeline.h
static [TSet](API\Runtime\Core\Containers\TSet)< [FName](API\Runtime\Core\UObject\FName) > UsdPreviewSurfaceInputs { UE::Interchange::Materials::UsdPreviewSurface::Parameters::DiffuseColor, UE::Interchange::Materials::UsdPreviewSurface::Parameters::EmissiveColor, UE::Interchange::Materials::UsdPreviewSurface::Parameters::SpecularColor, UE::Interchange::Materials::UsdPreviewSurface::Parameters::Metallic, UE::Interchange::Materials::UsdPreviewSurface::Parameters::Roughness, UE::Interchange::Materials::UsdPreviewSurface::Parameters::Clearcoat, UE::Interchange::Materials::UsdPreviewSurface::Parameters::ClearcoatRoughness, UE::Interchange::Materials::UsdPreviewSurface::Parameters::Opacity, UE::Interchange::Materials::UsdPreviewSurface::Parameters::OpacityThreshold, UE::Interchange::Materials::UsdPreviewSurface::Parameters::IOR, UE::Interchange::Materials::UsdPreviewSurface::Parameters::Normal, UE::Interchange::Materials::UsdPreviewSurface::Parameters::Displacement, UE::Interchange::Materials::UsdPreviewSurface::Parameters::Occlusion };